[RE-wrenches] OB Radian question

2022-05-07 Thread Kirk Herander via RE-wrenches 
Ok, time to break wrenches radio silence over the last week.

My question concerns the Radian battery terminal connections. I don't need
nor want to use the expensive GSLC box in a 23-y.o. off-grid upgrade to a
Radian. That means the battery-to-inverter connections will be exposed,
unless I find another way to enclose them.

Do those OB snap-on terminal covers used with the FX series work with the
Radian? Any other ideas?

Thanks. Over and out.
--

*Kirk Herander / **kirkh@vermont.solar *

*Owner|Principal, VT Solar, LLC*

*Celebrating our 31st Anniversary 1991-2022!!*

*www.vermont.solar*


dba Vermont Solar Engineering

802.863.1202
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Re: [RE-wrenches] OB Radian question

2022-05-07 Thread William Miller via RE-wrenches 
Kirk:

You need a place to install OCPDs, Negative and other bussing,  shunts , AC
distribution and an FNDC if you want one.

I recommend using all the matching BOS hardware.  In the old days installs
were far less robust or elegant without it. This is not a place to pinch
pennies, in my opinion.

William

On Sat, May 7, 2022 at 1:44 PM Kirk Herander via RE-wrenches <
re-wrenches@lists.re-wrenches.org> wrote:

> Ok, time to break wrenches radio silence over the last week.
>
> My question concerns the Radian battery terminal connections. I don't need
> nor want to use the expensive GSLC box in a 23-y.o. off-grid upgrade to a
> Radian. That means the battery-to-inverter connections will be exposed,
> unless I find another way to enclose them.
>
> Do those OB snap-on terminal covers used with the FX series work with the
> Radian? Any other ideas?
>
> Thanks. Over and out.
> --
>
> *Kirk Herander / **kirkh@vermont.solar *
>
> *Owner|Principal, VT Solar, LLC*
>
> *Celebrating our 31st Anniversary 1991-2022!!*
>
> *www.vermont.solar*
> 
>
> dba Vermont Solar Engineering
>
> 802.863.1202
> ___
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William Miller
Miller Solar.com
895-438-5600
www.millersolar.com
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Re: [RE-wrenches] OB Radian question

2022-05-07 Thread Jerry Shafer via RE-wrenches 
Just get an empty GSLC, at least it has the breakers
Jerry

On Sat, May 7, 2022, 1:44 PM Kirk Herander via RE-wrenches <
re-wrenches@lists.re-wrenches.org> wrote:

> Ok, time to break wrenches radio silence over the last week.
>
> My question concerns the Radian battery terminal connections. I don't need
> nor want to use the expensive GSLC box in a 23-y.o. off-grid upgrade to a
> Radian. That means the battery-to-inverter connections will be exposed,
> unless I find another way to enclose them.
>
> Do those OB snap-on terminal covers used with the FX series work with the
> Radian? Any other ideas?
>
> Thanks. Over and out.
> --
>
> *Kirk Herander / **kirkh@vermont.solar *
>
> *Owner|Principal, VT Solar, LLC*
>
> *Celebrating our 31st Anniversary 1991-2022!!*
>
> *www.vermont.solar*
> 
>
> dba Vermont Solar Engineering
>
> 802.863.1202
> ___
> List sponsored by Redwood Alliance
>
> Pay optional member dues here: http://re-wrenches.org
>
> List Address: RE-wrenches@lists.re-wrenches.org
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> Change listserver email address & settings:
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Re: [RE-wrenches] OB Radian question

2022-05-07 Thread Kirk Herander via RE-wrenches 
Further Clarification, Overcurrent protection etc. already exists, i’m not
about to spend another $1k or more to replace it.

On Sat, May 7, 2022 at 7:56 PM Jerry Shafer via RE-wrenches <
re-wrenches@lists.re-wrenches.org> wrote:

> Just get an empty GSLC, at least it has the breakers
> Jerry
>
> On Sat, May 7, 2022, 1:44 PM Kirk Herander via RE-wrenches <
> re-wrenches@lists.re-wrenches.org> wrote:
>
>> Ok, time to break wrenches radio silence over the last week.
>>
>> My question concerns the Radian battery terminal connections. I don't
>> need nor want to use the expensive GSLC box in a 23-y.o. off-grid upgrade
>> to a Radian. That means the battery-to-inverter connections will be
>> exposed, unless I find another way to enclose them.
>>
>> Do those OB snap-on terminal covers used with the FX series work with the
>> Radian? Any other ideas?
>>
>> Thanks. Over and out.
>> --
>>
>> *Kirk Herander / **kirkh@vermont.solar *
>>
>> *Owner|Principal, VT Solar, LLC*
>>
>> *Celebrating our 31st Anniversary 1991-2022!!*
>>
>> *www.vermont.solar*
>> 
>>
>> dba Vermont Solar Engineering
>>
>> 802.863.1202
>> ___
>> List sponsored by Redwood Alliance
>>
>> Pay optional member dues here: http://re-wrenches.org
>>
>> List Address: RE-wrenches@lists.re-wrenches.org
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> --

*Kirk Herander / **kirkh@vermont.solar *

*Owner|Principal, VT Solar, LLC*

*Celebrating our 31st Anniversary 1991-2022!!*

*www.vermont.solar*


dba Vermont Solar Engineering

802.863.1202
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Re: [RE-wrenches] OB Radian question

2022-05-07 Thread Lloyd Hoffstatter via RE-wrenches 
Kirk,
Ilsco or Marathon power distribution blocks with snap on covers?
Best regards,
Lloyd

Lloyd Hoffstatter
Sunstruck Consulting

Get Outlook for iOS

From: RE-wrenches  on behalf of Kirk 
Herander via RE-wrenches 
Sent: Saturday, May 7, 2022 8:12:42 PM
To: RE-wrenches 
Cc: Kirk Herander 
Subject: Re: [RE-wrenches] OB Radian question

Further Clarification, Overcurrent protection etc. already exists, i’m not 
about to spend another $1k or more to replace it.

On Sat, May 7, 2022 at 7:56 PM Jerry Shafer via RE-wrenches 
mailto:re-wrenches@lists.re-wrenches.org>> 
wrote:
Just get an empty GSLC, at least it has the breakers
Jerry

On Sat, May 7, 2022, 1:44 PM Kirk Herander via RE-wrenches 
mailto:re-wrenches@lists.re-wrenches.org>> 
wrote:
Ok, time to break wrenches radio silence over the last week.

My question concerns the Radian battery terminal connections. I don't need nor 
want to use the expensive GSLC box in a 23-y.o. off-grid upgrade to a Radian. 
That means the battery-to-inverter connections will be exposed, unless I find 
another way to enclose them.

Do those OB snap-on terminal covers used with the FX series work with the 
Radian? Any other ideas?

Thanks. Over and out.
--

Kirk Herander / kirkh@vermont.solar

Owner|Principal, VT Solar, LLC

Celebrating our 31st Anniversary 1991-2022!!

www.vermont.solar

dba Vermont Solar Engineering

802.863.1202

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--

Kirk Herander / kirkh@vermont.solar

Owner|Principal, VT Solar, LLC

Celebrating our 31st Anniversary 1991-2022!!

www.vermont.solar

dba Vermont Solar Engineering

802.863.1202
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Re: [RE-wrenches] Sol-Ark 15k

2022-05-07 Thread Chris Sparadeo via RE-wrenches 
Jason,

I think I agree with your interpretation of the wiring diagram. My
hesitation is, with a 1-1/4” KO for AC inputs, only choice seems to be a
>24” stub conduit for 2/0 conductores to a fused disconnect. Not a fun pipe
to bend…and extra BOS seems like a less than ideal solution.

Is this your conclusion as well?

On Sun, Apr 17, 2022 at 10:38 PM Darryl Thayer via RE-wrenches <
re-wrenches@lists.re-wrenches.org> wrote:

> Yes and no, I think this is a tap, "a tap shall be permitted anywhere
> along a feeder"  ' as long as it is less than a 10-foot rule or 25-foot
> rule ending in a listed OCPD with a rating sufficient to handle the maximum
> overcurrent'.  Service equipment residential is rated for fault currents of
> up to 10,000 amps withstand.Refer to 240.4.B and 240.21 (B) (1 & 2)
>
> On Sun, Apr 17, 2022 at 10:39 AM Jason Szumlanski via RE-wrenches <
> re-wrenches@lists.re-wrenches.org> wrote:
>
>> But this isn't a tap. It's a feeder conductor connected to an OCPD.
>>
>> I guess if you don't have a grid in or generator in or AC Coupled PV, you
>> could just call it an inverter output circuit and it could be sized
>> accordingly. But it would still need to be protected at it's source by an
>> appropriately rated OCPD. Don't get me wrong... I don't think there is a
>> real safety issue here, but I also don't see how the NEC allows the
>> conductor to be sized for anything less than 200A.
>>
>> Jason
>>
>>
>> On Sun, Apr 17, 2022, 11:29 AM Darryl Thayer via RE-wrenches <
>> re-wrenches@lists.re-wrenches.org> wrote:
>>
>>> The tap rule says you can reduce to 10% of the nominal size for 10 feet
>>> and protect at the downstream OCPD or 25% for 25 feet for solar with
>>> multiple sources see 705
>>>
>>> On Sat, Apr 16, 2022 at 9:16 PM Jason Szumlanski via RE-wrenches <
>>> re-wrenches@lists.re-wrenches.org> wrote:
>>>
 That's what I'm thinking. You would need to use a 200A conductor to a
 separate load out OCPD before downsizing the wire. I guess there are pros
 and cons, but it seems this is geared toward whole house backup for 200A
 services. I'm eager to get an opportunity to use it in that scenario.

 Jason




 On Sat, Apr 16, 2022, 10:06 PM Chris Sparadeo via RE-wrenches <
 re-wrenches@lists.re-wrenches.org> wrote:

> Jason,
>
> Any additional OCPD downstream of the 200A load output breaker could
> allow for a smaller wire size to be used at these terminals. For example,
> load output conductors run to a 100A main breaker panel board.  Obviously
> depending on circumstances, a #4 copper could fit the bill.
>
> What I’m not extremely  excited about with the new design is that in
> an off-grid scenario with a generator and smart load, we would now need to
> integrate an AC disconnect for generator input (grid)  and either a fused
> disconnect or loads panel for any smart load output. With the 12K unit, 
> the
> integrated breakers help cut down on BOS and install time.
>
> -Chris
>
> On Sat, Apr 16, 2022 at 5:35 PM Darryl Thayer via RE-wrenches <
> re-wrenches@lists.re-wrenches.org> wrote:
>
>> Hello, The overcurrent device is to protect the conductors.  you can
>> put any size wire, but you must protect with the overcurrent device.
>> REmember in solar equipment; you may have more than one supply source.  
>> The
>> DC best example is solar modules connected in parallel,  on
>>
>> On Fri, Apr 15, 2022 at 8:26 PM Jerry Shafer via RE-wrenches <
>> re-wrenches@lists.re-wrenches.org> wrote:
>>
>>> You must meet all expected source output potentials within the
>>> design and operating limits, as long as the distribution panel and
>>> connected wiring is rated for the max output of the protected source 
>>> then
>>> you are good. A 200 ATS connected to a 10 kW genny does not require 2/0 
>>> as
>>> it will never meet that rating. Just remember its whatever the max 
>>> output
>>> can be plus your margin.
>>>
>>> On Fri, Apr 15, 2022, 5:44 PM Chris Sparadeo via RE-wrenches <
>>> re-wrenches@lists.re-wrenches.org> wrote:
>>>
 Hi Jason,

 You bring up a valid point….in an off-grid scenario with the 15k do
 you size the conductors to the continuous capacity, surge capacity or 
 the
 OCPD of the unit?

 -Chris

 On Fri, Apr 15, 2022 at 4:01 PM Jason Szumlanski via RE-wrenches <
 re-wrenches@lists.re-wrenches.org> wrote:

> P.S. ICYMI, this inverter has a massive combined AC coupled and DC
> coupled capacity. They allow 15kWdc plus 19.2kWac!!! Impressive.
>
>
>
>
>
>
> On Fri, Apr 15, 2022 at 10:59 AM Jason Szumlanski <
> ja...@floridasolardesigngroup.com> wrote:
>
>> I'm not following the wiring diagr

Re: [RE-wrenches] OB Radian question

2022-05-07 Thread Jay via RE-wrenches 
Get a section of 8” gutter. 
It will fit nicely under the inverter. 
Obviously cutting holes in the top for all the wire, inverter connections. 

I haven’t tried the vfx covers but it’s the same plastic insulated connectors, 
should fit. 
Jay

> On May 7, 2022, at 6:12 PM, Kirk Herander via RE-wrenches 
>  wrote:
> 
> 
> Further Clarification, Overcurrent protection etc. already exists, i’m not 
> about to spend another $1k or more to replace it. 
> 
>> On Sat, May 7, 2022 at 7:56 PM Jerry Shafer via RE-wrenches 
>>  wrote:
>> Just get an empty GSLC, at least it has the breakers
>> Jerry
>> 
>>> On Sat, May 7, 2022, 1:44 PM Kirk Herander via RE-wrenches 
>>>  wrote:
>>> Ok, time to break wrenches radio silence over the last week.
>>> 
>>> My question concerns the Radian battery terminal connections. I don't need 
>>> nor want to use the expensive GSLC box in a 23-y.o. off-grid upgrade to a 
>>> Radian. That means the battery-to-inverter connections will be exposed, 
>>> unless I find another way to enclose them.
>>> 
>>> Do those OB snap-on terminal covers used with the FX series work with the 
>>> Radian? Any other ideas? 
>>> 
>>> Thanks. Over and out.
>>> --
>>> Kirk Herander / kirkh@vermont.solar
>>> Owner|Principal, VT Solar, LLC
>>> Celebrating our 31st Anniversary 1991-2022!!
>>> www.vermont.solar
>>> dba Vermont Solar Engineering
>>> 802.863.1202
>>> ___
>>> List sponsored by Redwood Alliance
>>> 
>>> Pay optional member dues here: http://re-wrenches.org
>>> 
>>> List Address: RE-wrenches@lists.re-wrenches.org
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> -- 
> Kirk Herander / kirkh@vermont.solar
> Owner|Principal, VT Solar, LLC
> Celebrating our 31st Anniversary 1991-2022!!
> www.vermont.solar
> dba Vermont Solar Engineering
> 802.863.1202
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